Messages in this thread Patch in this message | | | Date | Thu, 23 Feb 2006 13:53:21 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: Slab: Node rotor for freeing alien caches and remote per cpu pages. |
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Fix two issues in the patch as suggested by Kiran:
1. next_node() cannot return a node number >MAX_NUMNODES. So use ==
2. Node online map should not be empty during bootup so we can skip the code that I added to deal with that situation.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Index: linux-2.6.16-rc4/mm/slab.c =================================================================== --- linux-2.6.16-rc4.orig/mm/slab.c 2006-02-23 10:20:16.000000000 -0800 +++ linux-2.6.16-rc4/mm/slab.c 2006-02-23 13:28:34.000000000 -0800 @@ -803,7 +803,7 @@ static void init_reap_node(int cpu) int node; node = next_node(cpu_to_node(cpu), node_online_map); - if (node >= MAX_NUMNODES) + if (node == MAX_NUMNODES) node = 0; __get_cpu_var(reap_node) = node; @@ -820,15 +820,8 @@ static void next_reap_node(void) drain_node_pages(node); node = next_node(node, node_online_map); - if (unlikely(node >= MAX_NUMNODES)) { + if (unlikely(node >= MAX_NUMNODES)) node = first_node(node_online_map); - /* - * If the node_online_map is empty (early boot) then - * only use node zero. - */ - if (node >= MAX_NUMNODES) - node = 0; - } __get_cpu_var(reap_node) = node; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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